Quantification of Non-ideal Explosion Violence with a Shock Tube PDF Download
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Author:
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ISBN:
Category :
Languages : en
Pages :
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Book Description
There is significant interest in quantifying the blast violence associated with various nonideal explosions. Such data is essential to evaluate the damage potential of both explosive cookoff and terrorist explosive scenarios. We present a technique designed to measure the source energy associated with a non-ideal, asymmetrical, and three-dimensional explosion. A tube is used to confine and focus energy from a blast event into a one-dimensional, quasi-planar shock front. During propagation along the length of the tube, the wave is allowed to shocksteepen into a more ideal form. Pressure transducers then measure the shock overpressure as a function of the distance from the source. One-dimensional blast scaling theory allows calculation of the source energy from this data. This small-scale test method addresses cost and noise concerns as well as boosting and symmetry issues associated with large-scale, three-dimensional, blast arena tests. Results from both ideal explosives and non-ideal explosives are discussed.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
There is significant interest in quantifying the blast violence associated with various nonideal explosions. Such data is essential to evaluate the damage potential of both explosive cookoff and terrorist explosive scenarios. We present a technique designed to measure the source energy associated with a non-ideal, asymmetrical, and three-dimensional explosion. A tube is used to confine and focus energy from a blast event into a one-dimensional, quasi-planar shock front. During propagation along the length of the tube, the wave is allowed to shocksteepen into a more ideal form. Pressure transducers then measure the shock overpressure as a function of the distance from the source. One-dimensional blast scaling theory allows calculation of the source energy from this data. This small-scale test method addresses cost and noise concerns as well as boosting and symmetry issues associated with large-scale, three-dimensional, blast arena tests. Results from both ideal explosives and non-ideal explosives are discussed.
Author: Richard Boyd Morrison
Publisher:
ISBN:
Category : Combustion
Languages : en
Pages : 148
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Book Description
Author: Bernard J. Guidos
Publisher:
ISBN:
Category : Blast effect
Languages : en
Pages : 50
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Book Description
Author: Gilbert Ford Kinney
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 292
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Book Description
After an initial qualitative characterization of the properties of explosions in the atmosphere and their blast and shock propagation effects, attention is given to the underlying quantitative principles of explosive energy release, including the scaling laws for explosions and internal blast effects from confined explosions. The dynamic loads that blast waves impose on representative structures are then characterized, with attention to resulting structural damage. A major feature of the present treatment is the use of the dimensionless Mach number in all shock equations ; a further simplification is furnished by first developing mathematical equations for shock in steady flow, and then applying these equations to explosive shock by simple transformation of coordinates.
Author:
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ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Katherine R. Pielemeier
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: F. A. Henglein
Publisher: Elsevier
ISBN: 1483160254
Category : Science
Languages : en
Pages : 917
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Book Description
Chemical Technology is based on lectures the author gave at the Technische Hochschule of Karlsruhe and at the University of Freiburg. Part 1 of this book deals with chemical technology and describes subjects dealing with apparatus, unit operations, and chemical economics. The text reviews industrial chemical reactions, raw materials preparation for reaction, thermal and catalytic processes, and a history of chemical technology. This part also addresses transportation, storage of raw materials, and the design and construction of a chemical factory. Part 2 concerns special chemical technology, including topics such as raw material upgrading; processing of products in the chemical industry; and unit processes application toward consumer goods production. This part reviews materials sourcing from animals, minerals, and vegetables, such as processing of products from living organisms, the recovery of sugar, starch, and other carbohydrates. The book also reviews products of the chemical industry including low-molecular weight consumer goods, detergents, aromas, explosives, plastics, elastomers, synthetic leather, textile, and some building materials. Chemistry students, chemical and process technology students, and mechanical engineering students with interest in chemistry will find this book valuable.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1102
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Book Description
Author:
Publisher:
ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 666
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Book Description
Author: Vyacheslav M Zobin
Publisher: Elsevier
ISBN: 0444563768
Category : Science
Languages : en
Pages : 501
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Book Description
Volcanic seismology represents the main, and often the only, tool to forecast volcanic eruptions and to monitor the eruption process. This book describes the main types of seismic signals at volcanoes, their nature and spatial and temporal distributions at different stages of eruptive activity. Following from the success of the first edition, published in 2003, the second edition consists of 19 chapters including significant revision and five new chapters. Organized into four sections, the book begins with an introduction to the history and topic of volcanic seismology, discussing the theoretical and experimental models that were developed for the study of the origin of volcanic earthquakes. The second section is devoted to the study of volcano-tectonic earthquakes, giving the theoretical basis for their occurrence and swarms as well as case stories of volcano-tectonic activity associated with the eruptions at basaltic, andesitic, and dacitic volcanoes. There were 40 cases of volcanic eruptions at 20 volcanoes that occurred all over the world from 1910 to 2005, which are discussed. General regularities of volcano-tectonic earthquake swarms, their participation in the eruptive process, their source properties, and the hazard of strong volcano-tectonic earthquakes are also described. The third section describes the theoretical basis for the occurrence of eruption earthquakes together with the description of volcanic tremor, the seismic signals associated with pyroclastic flows, rockfalls and lahars, and volcanic explosions, long-period and very-long-period seismic signals at volcanoes, micro-earthquake swarms, and acoustic events. The final section discuss the mitigation of volcanic hazard and include the methodology of seismic monitoring of volcanic activity, the examples of forecasting of volcanic eruptions by seismic methods, and the description of seismic activity in the regions of dormant volcanoes. This book will be essential for students and practitioners of volcanic seismology to understand the essential elements of volcanic eruptions. - Provides a comprehensive overview of seismic signals at different stages of volcano eruption. - Discusses dozens of case histories from around the world to provide real-world applications. - Illustrations accompany detailed descriptions of volcano eruptions alongside the theories involved.
